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AXP209 Datasheet(PDF) 26 Page - List of Unclassifed Manufacturers

Part No. AXP209
Description  Enhanced single Cell Li-Battery and Power System Management IC
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Maker  ETC2 [List of Unclassifed Manufacturers]
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AXP209 Datasheet(HTML) 26 Page - List of Unclassifed Manufacturers

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AXP209
Enhanced single Cell Li-Battery and Power System Management IC
issuing a timer interrupt. Write 1 in register REG8AH [7] to clear the flag and re-start timing. Clearing
interrupt flag will not re-start counting. The minimum step size for the timer is 1 minute, and the timing
range 1 ~ 127 Minutes.
9.10 Decryption
AXP209 Contains a decryption module. The Host writes data to REG300-REG30F to be decrypted,
and then writes 1 to the register REGB8H [1] to start decryption. After the decryption is complete,
status bit REGB8 [0] is set to 1. Then the Host can read back the decrypted data from REG31x. Starts
again automatically when the decryption AXP209 status bits are clared.
9.11 HOST Interface timing and interrupt (TWSI and IRQ)
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Figure 1: Single Read and Write
Confidential
Page 26/45


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